As heavy rain falls more frequently, the land alongside a river has a greater effect on the waterway’s nutrient levels—for better or worse.
water pollution
The Toxic Legacy of DDT Lives On in Remote Canadian Lakes
DDT and its breakdown products permeate lake sediments decades after the pesticide was banned.
When the River Meets the Sea: Estuary Sediments and Hypoxia
Scientists know that low-oxygen dead zones are growing worldwide. New research sheds light on what that will mean for estuary systems if trends continue.
Ancient Romans Polluted Their Lakes Just Like We Do Today
Sediments from a lake in Switzerland reveal that ancient Romans triggered dead zones caused by the runoff of nutrients. Sound familiar?
The Acid Tongue of Climate Change Strikes Our Streams
Clear air policies have led to dramatic reductions in acid rain and improved ecosystem health, but it now appears that climate change could counteract those gains.
When Income Goes Up, Does Pollution Go Down?
Scientists look at a possible connection between increased wealth and decreased water pollution in Louisiana.
Dirty Water: Unintended Consequence of Climate Resiliency
Scientists testing the quality of floodwater in a Florida city find potentially harmful bacteria.
Urbanization Affects Air and Water in Italy's Po Plain
Satellite and ground-based measurements show a correlation between urban growth and increased levels of pollutants.